人困馬乏

人 = 丿 + ㇏ : Mnemonic symbol: Neanderthal Man (人). Robinson Crusoe (r-) is looking for snacks in the encampment's kitchen (-en2) when he suddenly spots Neanderthal Man (人). Neanderthal Man offers him a banana (丿), but Robinson Crusoe doesn't trust the present and pokes it with a finger (㇏).

困 = 囗 + 木 : New mnemonic symbol to avoid confusion with 夗: sleeping pills.

Karl Koala (ku) prepared a nest made out of Christmas trees (木) stuffed into a plastic enclosure (囗) in the encampment's bathroom ((e)n4). To make sure that he sleeps (困) really well he pops sleeping pills (困) before laying down in his nest.

马 = ㇖ + ㇉ + 一 : A beautiful unicorn rides on top of Mahatma Gandhi in the ashram.

乏 = 丿 + 之 : A futon. Frankenstein's monster just entered the ashram and finds a futon. Tired as he his, he immediately goes to bed, covers himself with a big banana peel and makes loud zZz sounds as he sleeps.